OpenTechnical

OT-2026-000069340

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000069340) never changes.

Identity and time

Publication numberOT-2026-000069340 · never reused
Internal UUID01a0ae90-b529-7c54-8760-e319bd9a7ca3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069340
StatusPUBLIC

Content hashes

Canonical text4f863ee2c929f2742c6e6fa5ddd0a2c626ccd593a77d351782547243bc789fe3
Markdown7110d4198962b3e48f2732de7923270231b0c9955b084b3cce30eaf0b179a592
PDF
Publication page1bec3bcacb17896eea958e609f2be529cc058e92f115579e611e433d9ae011c2
Manifest88cfd1c371051fe18a9150880a1ad4fb8d81a6d69fa5f9234179a2a7b11f46ad

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturefsSjDzrYt05uBrIg1WXH+cx5Nlz9Ib92ZWUbX3u64fnNrP9xxE2N5BdleSJGVtHnts4BeOxdTgoDbkiDiX3aBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:13.989646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069340
observed 1bec3bcacb17896eea958e609f2be529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:13.968325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069340/manifest.json
observed 88cfd1c371051fe18a9150880a1ad4fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:13.949032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069340/publication.md
observed 7110d4198962b3e48f2732de79232702...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:13.931729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069340/publication.txt
observed 4f863ee2c929f2742c6e6fa5ddd0a2c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:55.447893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069340
observed 1bec3bcacb17896eea958e609f2be529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:55.429939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069340/manifest.json
observed 88cfd1c371051fe18a9150880a1ad4fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:55.411619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069340/publication.md
observed 7110d4198962b3e48f2732de79232702...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:55.392457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069340/publication.txt
observed 4f863ee2c929f2742c6e6fa5ddd0a2c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.